arch/arm/Kconfig.debug

1 # SPDX-License-Identifier: GPL-2.0
44 		once the kernel has booted up - it's a one time check.
96 	      1 - undefined instruction events
97 	      2 - system calls
98 	      4 - invalid data aborts
99 	      8 - SIGSEGV faults
100 	     16 - SIGBUS faults
104 	bool "Kernel low-level debugging functions (read help!)"
112 	  UART definition, as specified below. Attempting to boot the kernel
117 	prompt "Kernel low-level debugging port"
121 		bool "Kernel low-level debugging messages via Alpine UART0"
125 		  Say Y here if you want kernel low-level debugging support
129 		bool "Kernel low-level debugging via asm9260 UART"
133 		  their output to an UART or USART port on asm9260 based
150 		bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU"
154 		  Say Y here if you want kernel low-level debugging support
160 		bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU"
164 		  Say Y here if you want kernel low-level debugging support
170 		bool "Kernel low-level debugging on SAMA5D2 UART1"
174 		  Say Y here if you want kernel low-level debugging support
178 		bool "Kernel low-level debugging on SAMA5D4 USART3"
182 		  Say Y here if you want kernel low-level debugging support
186 		bool "Kernel low-level debugging via SAMV7 USART1"
195 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
200 		bool "Kernel low-level debugging on BCM2836 PL011 UART"
205 		bool "Kernel low-level debugging on BCM5301X/NSP UART1"
210 		bool "Kernel low-level debugging on Hurricane 2 UART2"
215 		bool "Kernel low-level debugging on BCM IPROC UART3"
223 		bool "Kernel low-level debugging messages via BCM KONA UART"
227 		  Say Y here if you want kernel low-level debugging support
234 		bool "Kernel low-level debugging on BCM63XX UART"
238 		bool "Marvell Berlin SoC Debug UART"
242 		  Say Y here if you want kernel low-level debugging support
246 		bool "Use BRCMSTB UART for low-level debug"
251 		  UART physical and virtual address is automatically provided
255 		  messages to appear over the UART, select this option.
258 		bool "Kernel low-level debugging messages via UART1"
265 		bool "Kernel low-level debugging messages via UART2"
272 		bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
280 		bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
288 		bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
296 		bool "Kernel low-level debugging on DaVinci DMx using UART0"
304 		bool "Kernel low-level debugging messages via footbridge serial port"
311 		bool "Kernel low-level debugging messages via Digicolor UA0"
318 		bool "Kernel low-level debugging messages via ep93xx UART"
322 		  Say Y here if you want kernel low-level debugging support
326 		bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
334 		bool "Kernel low-level debugging messages via Cortina Systems Gemini UART"
338 		  Say Y here if you want kernel low-level debugging support
342 		bool "Hisilicon HI3620 Debug UART"
346 		  Say Y here if you want kernel low-level debugging support
347 		  on HI3620 UART.
350 		bool "Kernel low-level debugging messages via Highbank UART"
355 		  their output to the UART on Highbank based devices.
358 		bool "Hisilicon Hip01 Debug UART"
362 		  Say Y here if you want kernel low-level debugging support
363 		  on HIP01 UART.
366 		bool "Hisilicon HiP04 Debug UART"
370 		  Say Y here if you want kernel low-level debugging support
371 		  on HIP04 UART.
374 		bool "Hisilicon Hix5hd2 Debug UART"
378 		  Say Y here if you want kernel low-level debugging support
379 		  on Hix5hd2 UART.
382 		bool "i.MX1 Debug UART"
385 		  Say Y here if you want kernel low-level debugging support
389 		bool "i.MX23 Debug UART"
393 		  Say Y here if you want kernel low-level debugging support
397 		bool "i.MX25 Debug UART"
400 		  Say Y here if you want kernel low-level debugging support
404 		bool "i.MX21 and i.MX27 Debug UART"
407 		  Say Y here if you want kernel low-level debugging support
411 		bool "i.MX28 Debug UART"
415 		  Say Y here if you want kernel low-level debugging support
419 		bool "i.MX31 Debug UART"
422 		  Say Y here if you want kernel low-level debugging support
426 		bool "i.MX35 Debug UART"
429 		  Say Y here if you want kernel low-level debugging support
433 		bool "i.MX50 Debug UART"
436 		  Say Y here if you want kernel low-level debugging support
440 		bool "i.MX51 Debug UART"
443 		  Say Y here if you want kernel low-level debugging support
447 		bool "i.MX53 Debug UART"
450 		  Say Y here if you want kernel low-level debugging support
454 		bool "i.MX6Q/DL Debug UART"
457 		  Say Y here if you want kernel low-level debugging support
461 		bool "i.MX6SL Debug UART"
464 		  Say Y here if you want kernel low-level debugging support
468 		bool "i.MX6SX Debug UART"
471 		  Say Y here if you want kernel low-level debugging support
475 		bool "i.MX6UL Debug UART"
478 		  Say Y here if you want kernel low-level debugging support
482 		bool "i.MX7D Debug UART"
485 		  Say Y here if you want kernel low-level debugging support
489 		bool "Kernel low-level debugging messages via ARM Integrator UART"
493 		  Say Y here if you want kernel low-level debugging support
497 		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
505 		bool "Kernel low-level debugging on KEYSTONE2 using UART1"
513 		bool "Kernel low-level debugging via LPC18xx/43xx UART0"
517 		  Say Y here if you want kernel low-level debugging support
521 		bool "Kernel low-level debugging messages via NXP LPC32xx UART"
525 		  Say Y here if you want kernel low-level debugging support
529 		bool "Kernel low-level debugging via Meson6 UARTAO"
532 		  Say Y here if you want kernel low-lever debugging support
536 		bool "Kernel low-level debugging message via MMP UART2"
540 		  Say Y here if you want kernel low-level debugging support
544 		bool "Kernel low-level debugging message via MMP UART3"
548 		  Say Y here if you want kernel low-level debugging support
552 		bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
557 		  Say Y here if you want kernel low-level debugging support
572 		  when u-boot hands over to the kernel, the system
576 		bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
580 		  Say Y here if you want kernel low-level debugging support
589 		  when u-boot hands over to the kernel, the system
593 		bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
597 		  Say Y here if you want kernel low-level debugging support
607 		  when u-boot hands over to the kernel, the system
615 		  Say Y here if you want kernel low-level debugging support
623 		  Say Y here if you want kernel low-level debugging support
631 		  Say Y here if you want kernel low-level debugging support
635 		bool "Kernel low-level debugging messages via NOMADIK UART"
639 		  Say Y here if you want kernel low-level debugging support
643 		bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
647 		  Say Y here if you want kernel low-level debugging support
648 		  on TI-NSPIRE classic models.
651 		bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
655 		  Say Y here if you want kernel low-level debugging support
656 		  on TI-NSPIRE CX models.
659 		bool "Kernel low-level debugging via OMAP1 UART1"
663 		  Say Y here if you want kernel low-level debugging support
667 		bool "Kernel low-level debugging via OMAP1 UART2"
671 		  Say Y here if you want kernel low-level debugging support
675 		bool "Kernel low-level debugging via OMAP1 UART3"
679 		  Say Y here if you want kernel low-level debugging support
691 		bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
696 		bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
701 		bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
710 		bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
715 		bool "Kernel low-level debugging messages via OMAP36XX UART4"
720 		bool "Kernel low-level debugging messages via OMAP4/5 UART4"
725 		bool "Kernel low-level debugging via OMAP730 UART1"
729 		  Say Y here if you want kernel low-level debugging support
733 		bool "Kernel low-level debugging via OMAP730 UART2"
737 		  Say Y here if you want kernel low-level debugging support
741 		bool "Kernel low-level debugging via OMAP730 UART3"
745 		  Say Y here if you want kernel low-level debugging support
749 		bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
754 		bool "Kernel low-level debugging messages via TI81XX UART2"
759 		bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
764 		bool "Kernel low-level debugging messages via AM33XX UART1"
769 		bool "Kernel low-level debugging messages via Zoom2/3 UART"
775 		bool "Use PicoXcell UART for low-level debug"
778 		  Say Y here if you want kernel low-level debugging support
783 		bool "Use PXA UART1 for low-level debug"
786 		  Say Y here if you want kernel low-level debugging support
790 		bool "Kernel low-level debugging messages via QCOM UARTDM"
808 		bool "RealView Default UART"
817 		bool "RealView PB1176 UART"
826 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART0"
830 		  Say Y here if you want kernel low-level debugging support
834 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART1"
838 		  Say Y here if you want kernel low-level debugging support
842 		bool "Kernel low-level debugging messages via Rockchip RV1108 UART2"
846 		  Say Y here if you want kernel low-level debugging support
850 		bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
854 		  Say Y here if you want kernel low-level debugging support
858 		bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
862 		  Say Y here if you want kernel low-level debugging support
866 		bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
870 		  Say Y here if you want kernel low-level debugging support
874 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
878 		  Say Y here if you want kernel low-level debugging support
882 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
886 		  Say Y here if you want kernel low-level debugging support
890 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
894 		  Say Y here if you want kernel low-level debugging support
898 		bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
902 		  Say Y here if you want kernel low-level debugging support
906 		bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
910 		  Say Y here if you want kernel low-level debugging support
914 		bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
917 		  Say Y here if you want kernel low-level debugging support
921 		bool "Kernel low-level debugging messages via SCIF2 on R7S9210"
924 		  Say Y here if you want kernel low-level debugging support
928 		bool "Kernel low-level debugging messages via SCIF4 on R7S9210"
931 		  Say Y here if you want kernel low-level debugging support
935 		bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
938 		  Say Y here if you want kernel low-level debugging support
939 		  via SCIF0 on Renesas R-Car M1A (R8A7778).
942 		bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
945 		  Say Y here if you want kernel low-level debugging support
946 		  via SCIF2 on Renesas R-Car H1 (R8A7779).
949 		bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1"
953 		  Say Y here if you want kernel low-level debugging support
955 		  R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or
956 		  M2-N (R8A7793).
959 		bool "Kernel low-level debugging messages via SCIF1 on R8A77470"
962 		  Say Y here if you want kernel low-level debugging support
966 		bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
969 		  Say Y here if you want kernel low-level debugging support
970 		  via SCIF2 on Renesas R-Car E2 (R8A7794).
973 		bool "Kernel low-level debugging messages via SCIF4 on R8A7745"
976 		  Say Y here if you want kernel low-level debugging support
980 		bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
983 		  Say Y here if you want kernel low-level debugging support
987 		bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
990 		  Say Y here if you want kernel low-level debugging support
991 		  via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
994 		bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
997 		  Say Y here if you want kernel low-level debugging support
998 		  via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
1001 		bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
1004 		  Say Y here if you want kernel low-level debugging support
1005 		  via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
1013 		bool "Use Samsung S3C UART 0 for low-level debug"
1016 		  their output to UART 0. The port must have been initialised
1017 		  by the boot-loader before use.
1025 		bool "Use Samsung S3C UART 1 for low-level debug"
1028 		  their output to UART 1. The port must have been initialised
1029 		  by the boot-loader before use.
1037 		bool "Use Samsung S3C UART 2 for low-level debug"
1040 		  their output to UART 2. The port must have been initialised
1041 		  by the boot-loader before use.
1048 		bool "Use Samsung S3C UART 3 for low-level debug"
1051 		  their output to UART 3. The port must have been initialised
1052 		  by the boot-loader before use.
1057 		bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
1060 		  their output to UART 0. The port must have been initialised
1061 		  by the boot-loader before use.
1066 		bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
1069 		  their output to UART 1. The port must have been initialised
1070 		  by the boot-loader before use.
1075 		bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
1078 		  their output to UART 2. The port must have been initialised
1079 		  by the boot-loader before use.
1083 		bool "Use SA1100 UARTs for low-level debug"
1085 		  Say Y here if you want kernel low-level debugging support
1086 		  on SA-11x0 UART ports. The kernel will check for the first
1087 		  enabled UART in a sequence 3-1-2.
1090 		bool "Hisilicon SD5203 Debug UART"
1094 		  Say Y here if you want kernel low-level debugging support
1095 		  on SD5203 UART.
1099 		bool "Use SOCFPGA UART0 for low-level debug"
1102 		  Say Y here if you want kernel low-level debugging support
1107 		bool "Use SOCFPGA Arria10 UART1 for low-level debug"
1110 		  Say Y here if you want kernel low-level debugging support
1115 		bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
1118 		  Say Y here if you want kernel low-level debugging support
1122 		bool "Kernel low-level debugging messages via sun9i UART0"
1126 		  Say Y here if you want kernel low-level debugging support
1130 		bool "Kernel low-level debugging messages via sunXi UART0"
1134 		  Say Y here if you want kernel low-level debugging support
1138 		bool "Kernel low-level debugging messages via sunXi UART1"
1142 		  Say Y here if you want kernel low-level debugging support
1146 		bool "Kernel low-level debugging messages via sunXi R_UART"
1150 		  Say Y here if you want kernel low-level debugging support
1154 		bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1162 		bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1172 		bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1180 		bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART"
1184 		  Say Y here if you want kernel low-level debugging support
1188 		bool "Kernel low-level debugging messages via ST SPEAr 13xx UART"
1192 		  Say Y here if you want kernel low-level debugging support
1196 		bool "Use StiH415/416 ASC2 UART for low-level debug"
1200 		  Say Y here if you want kernel low-level debugging support
1202 		  default UART wired up to ASC2.
1207 		bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1211 		  Say Y here if you want kernel low-level debugging support
1213 		  default UART wired up to SBC ASC1.
1218 		bool "Use STM32F4 UART for low-level debug"
1222 		  Say Y here if you want kernel low-level debugging support
1223 		  on STM32F4 based platforms, which default UART is wired on
1224 		  USART1, but another UART instance can be selected by modifying
1230 		bool "Use STM32F7 UART for low-level debug"
1234 		  Say Y here if you want kernel low-level debugging support
1235 		  on STM32F7 based platforms, which default UART is wired on
1236 		  USART1, but another UART instance can be selected by modifying
1242 		bool "Use STM32H7 UART for low-level debug"
1246 		  Say Y here if you want kernel low-level debugging support
1247 		  on STM32H7 based platforms, which default UART is wired on
1248 		  USART1, but another UART instance can be selected by modifying
1254 		bool "Use STM32MP1 UART for low-level debug"
1258 		  Say Y here if you want kernel low-level debugging support
1259 		  on STM32MP1 based platforms, wich default UART is wired on
1260 		  UART4, but another UART instance can be selected by modifying
1266 		bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
1270 		  Automatically determines which UART to use for low-level
1274 		  then bits 17:15 indicate which UART to use; 0/1/2/3/4
1275 		  are UART A/B/C/D/E.
1278 		bool "Kernel low-level debugging messages via Tegra UART A"
1282 		  Say Y here if you want kernel low-level debugging support
1286 		bool "Kernel low-level debugging messages via Tegra UART B"
1290 		  Say Y here if you want kernel low-level debugging support
1294 		bool "Kernel low-level debugging messages via Tegra UART C"
1298 		  Say Y here if you want kernel low-level debugging support
1302 		bool "Kernel low-level debugging messages via Tegra UART D"
1306 		  Say Y here if you want kernel low-level debugging support
1310 		bool "Kernel low-level debugging messages via Tegra UART E"
1314 		  Say Y here if you want kernel low-level debugging support
1318 		bool "Kernel low-level debugging messages via U300 UART0"
1323 		  their output to the uart port on U300 devices.
1327 		bool "Use Ux500 UART for low-level debug"
1329 		  Say Y here if you want kernel low-level debugging support
1333 		bool "Kernel low-level debugging messages via ARM Versatile UART"
1337 		  Say Y here if you want kernel low-level debugging support
1341 		bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1348 		  Note that this will only work with standard A-class core tiles,
1349 		  and may fail with non-standard SMM or custom software models.
1352 		bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1357 		  this applies only to the V2P-CA9 tile.
1365 		  of the tiles using the RS1 memory map, including all new A-class
1366 		  core tiles, FPGA-based SMMs and software models.
1369 		bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1374 		  Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1377 		bool "Vybrid UART"
1380 		  Say Y here if you want kernel low-level debugging support
1387 		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
1391 		bool "Use ZTE ZX UART"
1396 		  debug uart support.
1403 		bool "Kernel low-level debugging on Xilinx Zynq using UART0"
1410 		bool "Kernel low-level debugging on Xilinx Zynq using UART1"
1420 		bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1424 		  co-processor 14. This is known to work on the ARM9 style ICE
1431 		bool "Kernel low-level debug output via semihosting I/O"
1447 		bool "Kernel low-level debugging via 8250 UART"
1450 		  their output to an 8250 UART.  You can use this option
1451 		  to provide the parameters for the 8250 UART rather than
1460 		bool "Kernel low-level debugging via efm32 UART"
1464 		  their output to an UART or USART port on efm32 based
1474 		bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1477 		  their output to a PL01x Primecell UART.  You can use
1478 		  this option to provide the parameters for the UART
1523 	int "i.MX Debug UART Port Selection"
1539 	  Choose UART port on which kernel low-level debug messages
1543 	int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1548 	  Choose UART port on which kernel low-level debug messages
1568 	bool "Enable flow control (CTS) for the debug UART"
1572 	  Some UART ports are connected to terminals that will use modem
1575 	  control signal CTS (Clear To Send). If your debug UART supports
1607 	default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1608 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2
1609 	default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4
1610 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1611 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1612 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1613 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
1614 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1615 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
1616 	default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
1617 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1618 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1619 	default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1624 	default "debug/stm32.S" if DEBUG_STM32_UART
1634 	default "mach/debug-macro.S"
1645 	hex "Physical base address of debug UART"
1788 	hex "Virtual base address of debug UART"
1899 	int "Register offset shift for the 8250 debug UART"
1907 	bool "Use 32-bit accesses for 8250 UART"
1919 	bool "8250 UART is Palmchip BK-310x"
1922 	  Palmchip provides a UART implementation compatible with 16550
1924 	  the debug UART is of this type.
1939 	  will be re-used for normal decompressor output on multiplatform
1954 	  kernel low-level debugging functions. Add earlyprintk to your